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PJ2822M Dual Low-Voltage Power Amplifier
T
he PJ2822M is a monolithic integrated circuit in 8 lead Minidip package.It is intended for use as dual audio
DIP-8 SOP-8
power amplifier in portable cassette player and radios.
FEATURES
Supply Voltage Down to 1.8V Low Crossover Distorsion Low Quiescent Current Bridge or Stereo Configuration
ORDERING INFORMATION
Device PJ2822MCD PJ2822MCS Operating Temperature -20 ~ +85 Package DIP-8 SOP-8
Pin : 1.Compensation 2.Voltage Feedbacl 3.Current Sense 4.RT/CT 5.Gnd 6.Output 7.Vcc 8.Vref
ABSOLUTE MAXIMUM RATINGS
Parameter Supply Voltage Peak Output Current Total Power Dissipation at Tamb = 50 Tcase = 50 Storage and Junction Temperature Symbol Vs Io Ptot Tstg,Tj Value 16 1 1 1.4 -40 ~ +150 Unite V A W W
THERMAL DATA
Parameter Thermal Resistance Junction-ambient Thermal Resistance Junction-pin(4) Max. Max. Symbol Rthj-amb Rthj-case Value 100 70 Unite /W /W
SCHEMATIC DIAGRAM
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PJ2822M Dual Low-Voltage Power Amplifier
ELECTRICAL CHARACTERISTICS (Vs=6V,Tamb=25, unless otherwise specified)
Symbol Paramete STEREO(test circuit of Figure 1) Suppy Voltage Quiescent Ouput Voltage Quiescent Drain Current Input Bias Current Outut Power (each channel) (f =1KHz, d =10%) Vs Vo Vs = 3V Id Ib Po RL = 32 Vs = 9V Vs = 6V Vs = 4.5V Vs = 3V Vs = 2V Vs = 6V Vs = 9V Vs = 6V Vs = 6V Vs = 4.5V Vs = 3V Po = 40mW Po = 75mW Po = 150mW 1.8 2.7 1.2 6 100 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 15 V V V mA nA mW Test Conditions Min. Typ. Max. Unit
9
90 15 170 300 450
RL = 16 RL = 8 RL = 4
Distortion (f =1KHz)
d
Close Loop Voltage Gain Channel Balance Input Resistance Total Input Noise Supply Voltage Rejection Channel Separation BRIDGE(test circuit of Figure 2) Supply Voltage Quiescent Drain Current Output Offset Voltage (between the outputs) Input Bias Current Output Bias Current
Gv Gv Ri N SVR Cs
RL = 32 RL = 16 RL = 8 F =1KHz F =1KHz Rs = 10K
36 100
41 1
% % % dB dB K V V dB dB
B = Curve A B =22Hz to 22KHz F =100Hz, C1 = C2 = 100F
24
2 2.5 30 50
F =1KHz
Vs Id Vos Ib Po RL = RL = 8
1.8 6
15 9 +/-50
V mA mV nA mW
Output Power (f=1KHz,d=10%) Closed Loop Voltage Gain Input Resistance Total Input Noise Supply Voltage Rejection Power Bandwidth (-3dB)
d Gv Ri eN SVR B
Vs = 9V Vs = 6V Vs = 4.5V Vs = 3V Vs = 2V Vs = 9V RL = 16 Vs = 6V Vs = 3V RL = 8 Vs = 6V Vs = 4.5V Vs = 3V RL = 4 Vs = 4.5V Vs = 3V Vs = 2V Po =0.5W, RL = 8, f =1KHz F =1KHz F =1KHz Rs =10K F =100Hz RL = 8, Po =1W
RL = 32
320 50
900
200
100 1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 39
% dB K V V dB KHz
100 B =Curve A B = 22Hz to 22KHz 2.5 3 40 120
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PJ2822M Dual Low-Voltage Power Amplifier
Figure 1. TEST CIRCUIT (Stereo)
Figure 2. TEST CIRCUIT (Bridge)
Figure 3. TYPICAL APPLICATION IN PORTABLE PLAYERS
Figure 4. LOW COST APPLICATION IN PORTABLE PLAYERS (using only one 100F output capacitor)
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PJ2822M Dual Low-Voltage Power Amplifier
Figure 5. PORTABLE RADIO CASSETTE PLAYERS
Type TDA7220 TDA7211A TEA1330 TDA7282 PJ2822M
Supply Voltage 1.5V to 6V 1.2V to 6V 3V to 6V 1.5V to 6V 1.8V to 6V
Figure 6. PORTABLE STEREO RADIO
Type TDA7220 TDA7211A TEA1330 PJ2822M
Supply Voltage 1.5V to 6V 1.2V to 6V 3V to 6V 1.8V to 6V
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Figure 7. APPLICATION IN PORTABLE RADIO RECEIVERS
Figure 8. 3V STEREO CASSETTE PLAYER WITH MOTOR SPEED CONTROL
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PJ2822M Dual Low-Voltage Power Amplifier
Figure 9.Quiescent Current versus Supply Voltage
Figure 10.Supply Voltage Rejection versus Frequency
Figure 11.Output Power versus Supply Voltage (THD=10%,f=1KHz Stereo)
Figure 12.Distorsion versus Output Power (Stereo)
Figure 13.Distorsion versus Output Power (Stereo)
Figure 14.Output Power versus Supply Voltage (Bridge)
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Figure 15.Distorsion versus Output Power (Bridge) Figure 16.Total Power Dissipation versus Output Power (Bridge)
Figure 17.Total Power Dissipation versus Output Power(Bridge)
Figure 18.Total Power Dissipation versus Output Power(Bridge)
Figure 19.Total Power Dissipation versus Output Power(Bridge)
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PJ2822M Dual Low-Voltage Power Amplifier
DIM A B C D G J K L M
MILLIMETERS MIN MAX 9.07 9.32 6.22 6.48 3.18 4.43 0.35 0.55 2.54BSC 0.29 0.31 3.25 3.35 7.75 8.00 10
INCHES MIN MAX 0.357 0.367 0.245 0.255 0.125 0.135 0.019 0.020 0.10BSC 0.011 0.012 0.128 0.132 0.305 0.315 10
DIM A B C D F G K M P R
MILLIMETERS MIN MAX 4.80 5.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27BSC 0.10 0.25 0 7 5.80 6.20 0.25 0.50
INCHES MIN MAX 0.189 0.196 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.05BSC 0.004 0.009 0 7 0.229 0.244 0.010 0.019
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2002/01.ver.A

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